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3 commits

Author SHA1 Message Date
Markus Holtermann
862ea825b5 Fixed #24093 -- Prevented MigrationWriter to write operation kwargs that are not explicitly deconstructed 2015-01-07 17:29:20 -07:00
Patryk Zawadzki
21e21c7bc2 Fixed #23844 -- Used topological sort for migration operation dependency resolution. 
This removes the concept of equality between operations to guarantee
compatilibity with Python 3.

Python 3 requires equality to result in identical object hashes. It's
impossible to implement a unique hash that preserves equality as
operations such as field creation depend on being able to accept
arbitrary dicts that cannot be hashed reliably.

Thanks Klaas van Schelven for the original patch in
13d613f800.
 2014-11-20 12:49:49 -05:00
Matthew Schinckel
bb39037fcb Fixed #22788 -- Ensured custom migration operations can be written. 
This inspects the migration operation, and if it is not in the
django.db.migrations module, it adds the relevant imports to the
migration writer and uses the correct class name.
 2014-06-16 12:28:52 -04:00